/Engine/Source/Runtime/CoreUObject/Public/UObject/UnrealType.h
Setter function for this property's MetaClass member. Favor this function whilst loading (since, to handle circular dependencies, we defer some class loads and use a placeholder class instead). It properly handles deferred loading placeholder classes (so they can properly be replaced later).
void SetMetaClass ( [UClass](API\Runtime\CoreUObject\UObject\UClass) * NewMetaClass )